Wafer boat



FIG. 1 is a side sectional view of the wafer boat as viewed along line1—1 in FIG. 6.

FIG. 2 is a cross sectional view of the wafer boat as viewed along line2—2 in FIG. 9.

FIG. 3 is another side sectional view of the wafer boat.

FIG. 4 is another side sectional view of the wafer boat.

FIG. 5 is perspective view of the wafer boat.

FIG. 6 is a bottom view of the wafer boat.

FIG. 7 is an enlarged, side, isolated view of a portion of the waferboat within the area 7—7 in FIG. 9.

FIG. 8 is a top view of the wafer boat; and,

FIG. 9 is another side view of the wafer boat with focus on the portionshown in FIG. 7.

The rear elevation appears symmetrical with an elevational view.

Broken lines are used throughout the drawings to disclose theenvironment related to the claimed design. Dash lines are usedthroughout the drawings to define the boundary of the claimed design.

The ornamental design for a wafer boat, as shown and described. 